Merge branch 'main' into feat/skills/lcp

Author: matthiasrohmer

README.md

@@ -73,6 +73,21 @@ Add the following config to your MCP client:
 > [!NOTE]  
 > Using `chrome-devtools-mcp@latest` ensures that your MCP client will always use the latest version of the Chrome DevTools MCP server.
 
+If you are intersted in doing only basic browser tasks, use the `--slim` mode:
+
+```json
+{
+  "mcpServers": {
+    "chrome-devtools": {
+      "command": "npx",
+      "args": ["-y", "chrome-devtools-mcp@latest", "--slim", "--headless"]
+    }
+  }
+}
+```
+
+See [Slim tool reference](./docs/slim-tool-reference.md).
+
 ### MCP Client configuration
 
 <details>
@@ -532,6 +547,10 @@ The Chrome DevTools MCP server supports the following configuration option:
   - **Type:** boolean
   - **Default:** `true`
 
+- **`--slim`**
+  Exposes a "slim" set of 3 tools covering navigation, script execution and screenshots only. Useful for basic browser tasks.
+  - **Type:** boolean
+
 <!-- END AUTO GENERATED OPTIONS -->
 
 Pass them via the `args` property in the JSON configuration. For example:

docs/slim-tool-reference.md

@@ -0,0 +1,41 @@
+<!-- AUTO GENERATED DO NOT EDIT - run 'npm run docs' to update-->
+
+# Chrome DevTools MCP Slim Tool Reference (~368 cl100k_base tokens)
+
+- **[Navigation automation](#navigation-automation)** (1 tools)
+  - [`navigate`](#navigate)
+- **[Debugging](#debugging)** (2 tools)
+  - [`evaluate`](#evaluate)
+  - [`screenshot`](#screenshot)
+
+## Navigation automation
+
+### `navigate`
+
+**Description:** Load URL in the browser
+
+**Parameters:**
+
+- **url** (string) **(required)**: Page URL
+
+---
+
+## Debugging
+
+### `evaluate`
+
+**Description:** [`Evaluate`](#evaluate) a JavaScript function on the last loaded page
+
+**Parameters:**
+
+- **fn** (string) **(required)**: A JavaScript function to be executed on the active page
+
+---
+
+### `screenshot`
+
+**Description:** Take a [`screenshot`](#screenshot) of the active page.
+
+**Parameters:** None
+
+---

scripts/count_tokens.ts

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+import {readFileSync} from 'node:fs';
 import {parseArgs} from 'node:util';
 
 import {GoogleGenAI} from '@google/genai';
@@ -16,18 +17,28 @@ const {values, positionals} = parseArgs({
       type: 'string',
       default: 'gemini-2.5-flash',
     },
+    file: {
+      type: 'string',
+      short: 'f',
+    },
   },
   allowPositionals: true,
 });
 
-if (!positionals[0]) {
-  console.error('Usage: npm run count-tokens -- -- <text>');
+let contents = positionals[0];
+
+if (values.file) {
+  contents = readFileSync(values.file, 'utf8');
+}
+
+if (!contents) {
+  console.error('Usage: npm run count-tokens -- [-f <file>] [<text>]');
   process.exit(1);
 }
 
 const response = await ai.models.countTokens({
   model: values.model,
-  contents: positionals[0],
+  contents,
 });
-console.log(`Input: ${positionals[0]}`);
+console.log(`Input: ${values.file || positionals[0]}`);
 console.log(`Tokens: ${response.totalTokens}`);